Two potential vaccines for the COVID-19 virus have been announced from Pfizer/BioNTech and Moderna pharmaceuticals with success rates of 95% and 90% respectively. For the Pfizer/BioNTech messenger RNA (mRNA) drug, BNT162b2, it was tested in an equal split, double-blinded trial, and 169 placebo recipients would test positive for COVID-19, whereas only 9 vaccine recipients did.
0 subscriptions will be displayed on your profile (edit)
Skip for now
For your security, we need to re-authenticate you.
Click the link we sent to , or click here to sign in.